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Hajara LawalHL
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Hajara Lawal

@hajaralawal

Data Scientist building forecasting models and data pipelines with Python and SQL; completing an AI master's at Carnegie Mellon University Africa.

Rwanda
Message

At GI-KACE, I co-developed two internal systems using Python FastAPI and PostgreSQL, replacing paper attendance sheets and manual staff appraisals with structured digital records. I also tested and validated backend APIs in Swagger.

In my research, I cleaned cross-country time-series data and compared statistical and machine learning forecasts using RMSE. I also built the data cleaning and preprocessing pipeline for an early-warning model for floods and droughts, and co-authored the research paper.

On a project called Stateful Multi-Agent IT Support System, I built an automated evaluation framework to track groundedness, tool-selection accuracy, task completion, and hallucination rate, then used the metrics to decide what to fix next. I'm currently designing Agentic BI: Ask Your Data, a prototype for asking questions about company financial data in plain language.

I'm completing a Master's in Artificial Intelligence at Carnegie Mellon University Africa. I've also co-taught Python, Office Productivity, and Data Analytics, and bring experience working with distributed teams.

Experience

Work history, roles, and key accomplishments

NA

Operations Manager

Namibra

Nov 2021 - Mar 2025 (3 years 4 months)

Managed day-to-day operations for a distributed team, researched new tools, and trained colleagues. Introduced Jira and ClickUp for Scrum-based planning, with ClickUp becoming the team's primary tool.

GI

Junior Software Developer

GI-KACE

Nov 2023 - Dec 2024 (1 year 1 month)

Co-developed two internal systems in Python FastAPI and PostgreSQL, replacing paper-based processes with digital records. Tested backend APIs in Swagger and co-taught Python, Office Productivity, and Data Analytics classes.

Education

Degrees, certifications, and relevant coursework

Carnegie Mellon University Africa logoCA

Carnegie Mellon University Africa

Master of Science in Engineering, Artificial Intelligence

Pursuing a Master's in Artificial Intelligence with expected graduation in December 2026.

Amazon Web Services logoAS

Amazon Web Services

AWS Certified Cloud Practitioner, Cloud Computing

2024 - 2024

Earned the AWS Certified Cloud Practitioner certification in 2024.

GI

GI-KACE

Data Analytics with Python and Power BI, Data Analytics

2023 - 2023

Completed a certification in Data Analytics with Python and Power BI in 2023.

US

University for Development Studies

Bachelor of Science, Computer Science

2019 - 2023

Completed a Bachelor of Science in Computer Science with Honours from 2019 to 2023.

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